Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Engine Electrical System - Oil Sensors/Fuse Box/Control Unit - Repair (G12)
2018 BMW 740iSECTION Engine Electrical System - Oil Sensors/Fuse Box/Control Unit - Repair (G12)
- 12 61 Oil Pressure, Oil Temp, Oil Level Check
- 12 61 280 Removing and installing/replacing oil pressure switch (740i 2016-2022)
- 12 61 285 Replacing engine oil level sensor (740i 2016-2022)
- 12 61 280 Removing and installing/replacing oil pressure switch (740i xDrive 2017-2022)
- 12 61 285 Replacing engine oil level sensor (740i xDrive 2017-2022)
- 12 61 280 Removing and installing/replacing oil pressure switch (740e xDrive PHEV 2017-2019)
- 12 61 285 Replacing engine oil level sensor (740e xDrive PHEV 2017-2019)
- 12 61 280 Removing and installing/replacing oil pressure switch (745e xDrive PHEV 2020-2022)
- 12 61 280 Removing and installing/replacing oil pressure switch (750i 2016-2019)
- 12 61 280 Removing and installing/replacing oil pressure switch (750i xDrive 2016-2022)
- 12 61 285 Replacing engine oil level sensor (750i xDrive 2016-2022)
- 12 61 285 Replacing engine oil level sensor (M760i xDrive 2017-2022)
- 12 61 586 Replace oil pressure sensor (after vehicle diagnosis) (M760i xDrive 2017-2022)
- 12 63 Power Distribution Box
- 12 63 586 Replacing power distribution box (after vehicle diagnosis) (740i 2016-2022, 740i xDrive 2017-2022, 745e xDrive PHEV 2020-2022)
- 12 63 586 Replacing power distribution box (after vehicle diagnosis) (740e xDrive PHEV 2017-2019)
- 12 63 586 Replacing power distribution box (after vehicle diagnosis) (745e xDrive PHEV 2020-2022)
- 12 63 586 Replacing power distribution box (after vehicle diagnosis) (750i 2016-2019)
- 12 63 586 Replacing power distribution box (after vehicle diagnosis) (750i xDrive 2016-2022)
- 12 63 586 Replacing power distribution box (after vehicle diagnosis) (M760i xDrive 2017-2022)
- 12 90 E-Box
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.